What is the likely impact of an OPSEC measure on operational effectiveness, if implemented? What is the probably risk to the mission success (effectiveness) if the unit does not implement the measure? What is the probable risk to the mission success, if an OPSEC measure does not work?
Suffocation is a general term to indicate that form of asphyxia, which is caused by deprivation of oxygen, either due to lack of oxygen in the environment or from obstruction of the air-passages.
Heart Causes: Heart conditions that can cause syncope or fainting due to temporary loss of consciousness include: 1  Abnormal heart rhythms (heart beating too fast or too slow). 2  Abnormalities of the heart valves (pulmonic valve stenosis). 3  Widespread disease of the heart muscle (cardiomyopathy).